OMRON Non-Contact Door Switch: D40A Series, 1NO, 2 m Cable Lg, 15 mm On Sensing Distance
The OMRON D40A Series Non-Contact Door Switch (SKU 878UX0, MPN D40A-1C2) is an AC & DC safety-interlock switch featuring a 1NO contact configuration, 2 m cable length, and 15 mm on sensing distance. It includes an…
SKU 3G-OTH-30289
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Product Description
The OMRON D40A Series Non-Contact Door Switch (SKU 878UX0, MPN D40A-1C2) is an AC & DC safety-interlock switch featuring a 1NO contact configuration, 2 m cable length, and 15 mm on sensing distance. It includes an LED indicating light and screw termination type.
Frequently Asked Questions
What is the OMRON D40A-1C2 non-contact door switch used for?
The OMRON D40A-1C2 is a safety-interlock switch used to monitor the position of movable guards on industrial machinery. It provides a non-contact sensing solution with a 15 mm on sensing distance, making it suitable for applications requiring reliable safety monitoring without mechanical wear.
What are the specifications of the OMRON D40A-1C2 door switch?
The OMRON D40A-1C2 is part of the D40A Series with a 1NO contact configuration, 2 m cable length, 15 mm on sensing distance, LED indicating light, and screw termination type. It operates on AC and DC power for safety-interlock applications.
Where to buy the OMRON D40A-1C2 worldwide?
You can source the OMRON D40A-1C2 from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time.
How to install the OMRON D40A-1C2 non-contact door switch?
Mount the OMRON D40A-1C2 on a fixed surface and align the actuator within 15 mm for reliable sensing. Use the screw terminals for wiring the 1NO contact. Ensure the LED indicates proper alignment. Follow standard safety-interlock installation practices for guard monitoring.
Used in
Common applications for OMRONOMRON Products
3G Electric supplies OMRON ac & dc safety-interlock switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.




